diff options
| -rw-r--r-- | drivers/staging/fsl-mc/bus/dpio/dpio-service.c | 17 | ||||
| -rw-r--r-- | drivers/staging/fsl-mc/include/dpaa2-io.h | 2 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c index a8a8e1578770..6e8994c106be 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c +++ b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c @@ -104,6 +104,23 @@ static inline struct dpaa2_io *service_select(struct dpaa2_io *d) } /** + * dpaa2_io_service_select() - return a dpaa2_io service affined to this cpu + * @cpu: the cpu id + * + * Return the affine dpaa2_io service, or NULL if there is no service affined + * to the specified cpu. If DPAA2_IO_ANY_CPU is used, return the next available + * service. + */ +struct dpaa2_io *dpaa2_io_service_select(int cpu) +{ + if (cpu == DPAA2_IO_ANY_CPU) + return service_select(NULL); + + return service_select_by_cpu(NULL, cpu); +} +EXPORT_SYMBOL_GPL(dpaa2_io_service_select); + +/** * dpaa2_io_create() - create a dpaa2_io object. * @desc: the dpaa2_io descriptor * diff --git a/drivers/staging/fsl-mc/include/dpaa2-io.h b/drivers/staging/fsl-mc/include/dpaa2-io.h index 07ad15ae9b7a..9d702519f7f3 100644 --- a/drivers/staging/fsl-mc/include/dpaa2-io.h +++ b/drivers/staging/fsl-mc/include/dpaa2-io.h @@ -88,6 +88,8 @@ void dpaa2_io_down(struct dpaa2_io *d); irqreturn_t dpaa2_io_irq(struct dpaa2_io *obj); +struct dpaa2_io *dpaa2_io_service_select(int cpu); + /** * struct dpaa2_io_notification_ctx - The DPIO notification context structure * @cb: The callback to be invoked when the notification arrives |